Studies on cancer relative frequencies (ratio studies): a method for computing an age-standardized cancer ratio.
D000293:Adolescent; D000328:Adult; D000349:Africa; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005060:Europe; D006801:Humans; D007223:Infant; D008722:Methods; D008875:Middle Aged; D009369:Neoplasms / Q000453:epidemiology*